package com.heima.admin.service.impl;

import com.baomidou.mybatisplus.core.conditions.Wrapper;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.admin.mapper.AdUserMapper;
import com.heima.admin.service.UserLoginService;
import com.heima.model.admin.dtos.AdUserDto;
import com.heima.model.admin.pojos.AdUser;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.utils.common.AppJwtUtil;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service
public class UserLoginServiceImpl extends ServiceImpl<AdUserMapper, AdUser> implements UserLoginService {
    @Override
    public ResponseResult login(AdUserDto dto) {
        if(StringUtils.isEmpty(dto.getName())|| StringUtils.isEmpty(dto.getPassword())){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_REQUIRE,"用户名或密码不能为空");
        }

        LambdaQueryWrapper<AdUser> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(AdUser::getName,dto.getName());

        List<AdUser> list = list(queryWrapper);

        if(list!=null && list.size()>0){
            AdUser adUser = list.get(0);
            String pswd = DigestUtils.md5DigestAsHex((dto.getPassword() + adUser.getSalt()).getBytes());
            if(pswd.equals(adUser.getPassword())){
                Map map = new HashMap();
                String token = AppJwtUtil.getToken(adUser.getId().longValue());
                adUser.setPassword("");
                adUser.setSalt("");
                map.put("user",adUser);
                map.put("token",token);

                return ResponseResult.okResult(map);
            }else {
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }
        }else {
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"用户不存在");
        }

    }
}

